21431685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{673}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 37657728

約数和(自身を除く): 16226043

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 193, 579, 673, 965, 2019, 2123, 2895, 3365, 6369, 7403, 10095, 10615, 22209, 31845, 37015, 111045, 129889, 389667, 649445, 1428779, 1948335, 4286337, 7143895, 21431685]

約数ペア:

[(1, 21431685), (3, 7143895), (5, 4286337), (11, 1948335), (15, 1428779), (33, 649445), (55, 389667), (165, 129889), (193, 111045), (579, 37015), (673, 31845), (965, 22209), (2019, 10615), (2123, 10095), (2895, 7403), (3365, 6369)]